[Openstack] Need help with network config on a basic setup

Remo Mattei remo at mattei.org
Sun Dec 22 18:07:37 UTC 2013


Are you sure that no other instances have that ip?

Inviato da iPhone ()

> Il giorno Dec 22, 2013, alle ore 9:58, nishant kumar <nishant80 at yahoo.com> ha scritto:
> 
> The eth1 IP on compute node (192.168.0.11) seems to have disappeared but I can still ping this IP from controller. Is this behavior normal?
>  
> Thanks,
> Nishant
> 
> 
> On Friday, December 20, 2013 6:01 AM, nishant kumar <nishant80 at yahoo.com> wrote:
> Hi Dan,
> Just before launching the instance using 'nova boot', I had run these commands on controller (ran only on controller):
> # nova secgroup-add-rule default tcp 22 22 0.0.0.0/0
> # nova secgroup-add-rule default icmp -1 -1 0.0.0.0/
> I assumed that they will configure firewall correctly. Please let me know if I missed something.
> Thanks,
> Nishant
> Sent from Yahoo! Mail on Android
> 
> From: Daniel Ellison <daniel at syrinx.net>; 
> To: nishant kumar <nishant80 at yahoo.com>; 
> Cc: OpenStack List <openstack at lists.openstack.org>; 
> Subject: Re: [Openstack] Need help with network config on a basic setup 
> Sent: Thu, Dec 19, 2013 6:11:09 PM 
> 
> It may be simpler than that. Did you set up firewall rules to allow ICMP and SSH access to your instance? "Access & Security" then "Security Groups".
> 
> +Dan
> 
> On Dec 19, 2013 12:42 PM, nishant kumar <nishant80 at yahoo.com> wrote:
> >
> > Hi All,
> >
> > I need some help on bringing up my openstack setup. I am using the havana release.
> >
> > Note: Please excuse me writing a very long email. The intention is to provide as much detail as possible so that its easier for the community members to suggest a solution.
> >
> > I was able to create and bring up a guest instance on compute node. But,
> >
> > The issue is:
> > I am not able to SSH (from either controller on compute1) to the guest and I am not able to ping to guest IP (192.168.0.2). What am I missing or doing wrong?
> >
> >
> > Setup details are:
> >
> > - I am using two servers each having 2 NIC ports:
> >         1) controller (SL6.3)               - em1(10.192.206.247); em2(192.168.0.10)
> >         2) compute1 (RHEL 6.4 x64)  - eth0(10.192.207.152); eth1(192.168.0.11)
> >
> > - em1 and eth0 are connected via a switch. This is the management network (hosts file has these IPs against controller/compute1 hostnames)
> >
> > - em2 and eth1 are connected directly by a cable. For my experimental setup, I want this to be the data network (I guess its also called the public interface)
> >
> >
> > Config Details are:
> >
> > 'nova list' output on controller node:
> >
> > +--------------------------------------+--------+--------+------------+-------------+-------------------+
> > | ID                                   | Name   | Status | Task State | Power State | Networks          |
> > +--------------------------------------+--------+--------+------------+-------------+-------------------+
> > | fffd4391-968a-41ff-b292-f2f56ce87abd | cirrOS | ACTIVE | None       | Running     | vmnet=192.168.0.2 |
> > +--------------------------------------+--------+--------+------------+-------------+-------------------+
> >
> > ifcfg-eth0:
> > DEVICE=eth0
> > HWADDR=2C:44:FD:7F:04:B0
> > TYPE=Ethernet
> > UUID=9739295d-d4f7-4a1d-abd7-11397af8818a
> > ONBOOT=yes
> > NM_CONTROLLED="no"
> > BOOTPROTO=dhcp
> >
> > ifcfg-eth1:
> > DEVICE=eth1
> > HWADDR=2C:44:FD:7F:04:B1
> > TYPE=Ethernet
> > UUID=4d11464b-1304-43e6-abcc-e28f6c56894f
> > IPADDR=192.168.0.11
> > NETMASK=255.255.255.0
> > DEFROUTE=yes
> > ONBOOT=yes
> > NM_CONTROLLED="no"
> > BOOTPROTO=static
> >
> > nova.conf on compute1:
> > -- truncated --
> > flat_interface = eth1
> > flat_network_bridge = br100
> > public_interface = eth1
> > -- truncated --
> >
> > network-create command used:
> > nova network-create vmnet --fixed-range-v4=192.168.0.0/24 --bridge-interface=br100 --multi-host=T
> >
> > ifcfg -a output on compute1:
> > br100     Link encap:Ethernet  HWaddr 2C:44:FD:7F:04:B1
> >           inet addr:192.168.0.1  Bcast:192.168.0.255  Mask:255.255.255.0
> >           inet6 addr: fe80::542d:5dff:fe0c:f3d4/64 Scope:Link
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> > -- truncated --
> >
> > eth0      Link encap:Ethernet  HWaddr 2C:44:FD:7F:04:B0
> >           inet addr:10.192.207.152  Bcast:10.192.207.255  Mask:255.255.240.0
> >           inet6 addr: fe80::2e44:fdff:fe7f:4b0/64 Scope:Link
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> > -- truncated --
> >
> > eth1      Link encap:Ethernet  HWaddr 2C:44:FD:7F:04:B1
> >           inet6 addr: fe80::2e44:fdff:fe7f:4b1/64 Scope:Link
> >           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
> > -- truncated --
> >  
> >  
> > Thanks,
> > Nishant
> 
> 
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